Sir John Osborn, 5th Baronet (3 December 1772 – 28 August 1848) was a British politician.
Early life
thumb|right|150px|Osborn's wife Frederica, c. 1810
He was the only son of Sir George Osborn, 4th Baronet, who he succeeded in 1818, and Elizabeth Bannister. After his mother's death, his father married Lady Heneage Finch, the daughter of Daniel Finch, 8th Earl of Winchilsea. His father was a Groom of the Bedchamber to King George III.
Career
Osborn was Member of Parliament for Bedfordshire, 1794–1807; for Cockermouth, 1807–1808; for Queenborough, 1812–1818; again for Bedfordshire, 1818–1820 and for the Wigtown Burghs 1821–1824. He served as a Lord of the Admiralty from 1812 to 1824 and as one of the Commissioners of Audit from 1824 until his death. As a young man Osborn's father had been an officer in the regiment when it was reformed in 1759, before joining the regular army and rising to the rank of General. In March 1805 Col Osborn joined the regiment and marched it to barracks at Berry Head near Brixham for its summer training, but thereafter direct command was usually exercised by the lieutenant-colonel. Osborn retained the command of the regiment until his death.
Personal life
On 14 September 1809 at Westminster St James he married Augusta Frederica Louisa Valentina Davers, the illegitimate daughter of Sir Charles Davers, 6th Baronet. Together, they were the parents of at least five sons and three daughters, including:
- Elizabeth Heneage Osborn (1811–1871), who died unmarried.
- Charles Davers Osborn (1819–1846), who married Louisa Atherley, daughter of Rev. A. Atherley, in 1845.